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首页> 外文期刊>Polar biology >Spatial distribution of microzooplankton in different areas of the northern Antarctic Peninsula region, with an emphasis on tintinnids
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Spatial distribution of microzooplankton in different areas of the northern Antarctic Peninsula region, with an emphasis on tintinnids

机译：北部南极半岛地区不同地区微小斑滩的空间分布，重点是丁蒂尼西亚

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摘要

The Western Antarctic Peninsula (WAP) is experiencing rapid climate warming, resulting in affecting the marine food web. To investigate the microzooplankton spatial distribution and to assess how climate change could affect the tintinnids community, sea water samples were collected during late summer 2018 at 19 stations in three different areas: Deception Island, Elephant Island and Antarctic Sound. The microzooplankton community comprised mainly tintinnids, aloricate ciliates, heterotrophic dinoflagellates and micrometazoans. Microzooplankton abundance varied between 3 and 109 ind. L-1 and biomass ranged from 0.009 to 2.55 mu g C L-1. Significant differences in terms of abundance and taxonomic composition of microzooplankton were found among the three sampling areas. Deception Island area showed 44% of tintinnids and the rest were heterotrophic dinoflagellate, aloricate ciliates and micrometazoans. In Elephant Island and Antarctic Sound areas, tintinnids reached, respectively, 73% and 83% of the microzooplankton composition, with all the other groups varying between 20 and 30%. Tintinnids were the most representative group in the area, with the species Codonellopsis balechi, Codonellopsis glacialis, Cymatocylis convallaria and Cymatocylis drygalskii. The highest amounts of tintinnids were found at the surface and 100 m depth. The above mentioned species may be considered key species for the WAP and therefore they can be used to track environmental and hydrographical changes in the area. In late summer, microzooplankton presented low abundances and biomass, nevertheless they represented an important fraction of the planktonic community in the area.
机译：西南南极半岛（WAP）正在经历快速的气候变暖，导致海洋食品网。为了调查Microzooplankton空间分布并评估气候变化如何影响Tintinnids社区，2018年夏季夏季夏季水样在三个不同地区的19个站点：欺骗岛，大象岛和南极声音。 Microzooplankton群落主要包括丁肽，肠道纤毛，异养型丁络蛋白和微蛾酶。 Microzooplankton丰度在3到109 Ind之间变化。 L-1和生物质的范围为0.009至2.55 mu G C L-1。在三个采样区域中发现了微小和分类伦的丰富和分类组成方面的显着差异。欺骗岛地区显示44％的丁蒂奈，其余的是异养的丁基甲酸盐，露肠纤毛和微米嗪。在大象岛和南极声音区域，丁蒂肾炎率分别达到73％和83％的Microzooplankton组成，所有其他组的不同均为20％至30％。 Tintinnids是该地区最具代表性的小组，物种CodoneLopsis Balechi，CodoneLopsis Glacialis，Cymaticylis Convallaria和Cymatocylis Drygalskii。在表面和100米深度的深度中发现了最多的蛋白质。上述物种可以被认为是WAP的关键物种，因此它们可用于跟踪该地区的环境和水文变化。在夏末，Microzooplankton呈现出低的丰富和生物量，因此它们在该地区的浮游社区的重要组成部分表示。

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  • 来源
    《Polar biology》 |2021年第9期|1749-1764|共16页
  • 作者

    Monti-Birkenmeier Marina; Diociaiuti Tommaso; Badewien Thomas H.; Schulz Anne-Christin; Friedrichs Anna; Meyer Bettina;

  • 作者单位

    Natl Inst Oceanog & Appl Geophys OGS Via A Piccard 54 I-34151 Trieste Italy;

    Natl Inst Oceanog & Appl Geophys OGS Via A Piccard 54 I-34151 Trieste Italy;

    Carl von Ossietzky Univ Oldenburg Inst Chem & Biol Marine Environm ICBM Schleusenstr 1 D-26382 Wilhelmshaven Germany;

    Carl von Ossietzky Univ Oldenburg Inst Chem & Biol Marine Environm ICBM Schleusenstr 1 D-26382 Wilhelmshaven Germany;

    Carl von Ossietzky Univ Oldenburg Inst Chem & Biol Marine Environm ICBM Schleusenstr 1 D-26382 Wilhelmshaven Germany;

    Alfred Wegener Inst Helmholtz Ctr Polar & Marine Handelshafen 12 Bremerhaven Germany|Carl von Ossietzky Univ Oldenburg Inst Chem & Biol Marine Environm ICBM Carl von Ossietzky Str 9-11 D-26111 Oldenburg Germany|Carl von Ossietzky Univ Oldenburg Helmholtz Inst Funct Marine Biodivers HIFMB Ammerlander Heerstr 231 Oldenburg Germany;

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  • 正文语种 eng
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  • 关键词

    Protists; Ciliates; Tintinnids; Heterotrophic dinoflagellates; Biomass;

    机译：保护物;纤毛;丁尼肾上腺素;异养型Dinoflageles;生物量;

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